Procedure. IS31FL3236-QFLS2-EB QFN-44, Lead-free IS31FL3236A-QFLS2-EB QFN-44, Lead-free. Table1: Ordering Information
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1 Channels LED Driver Evaluation Board Guide Description ISFL/ISFLA is comprised of constant current channels each with independent PWM control, designed for driving LEDs. The output current of each channel can be set at up to ma (Max.) by an external resistor and independently scaled by a factor of, /, / and /. The average LED current of each channel can be changed in steps by changing the PWM duty cycle through an IC interface. Features.V to.v supply IC interface, automatic address increment function Internal reset register Modulate LED brightness with steps PWM Each channel can be controlled independently Each channel can be scaled independently by QFN- (mm mm) package Quick Start Recommended Equipment.0V, A power supply Absolute Maximum Ratings.V power supply Caution: Do not exceed the conditions listed above, otherwise the board will be damaged. Procedure The ISFL/ISFLA evaluation board is fully assembled and tested. Follow the steps listed below to verify board operation. Caution: Do not turn on the power supply until all connections are completed. ) Connect the ground terminal of the power supply to the and the positive terminal to the. Or connect the DC power to the connector (DC IN). ) Turn on the power supply and pay attention to the supply current. If the current exceeds.a, please check for circuit fault. ) Enter the desired mode of display by toggling the MODE button. Figure : Photo of ISFL/ISFLA Evaluation Board Evaluation Board Ordering Information Part No. Package ISFL-QFLS-EB QFN-, Lead-free ISFLA-QFLS-EB QFN-, Lead-free Table: Ordering Information For pricing, delivery, and ordering information, please contacts ISSI s analog marketing team at analog_mkt@issi.com or (0) -00. Integrated Silicon Solution, Inc. Rev. A, //0
2 Channels LED Driver Evaluation Board Guide Evaluation Board Operation The ISFL/ISFLA evaluation board has six display modes. Press MODE button to switch configurations. ) (Default mode) The RGB LEDs in the middle of the bard show a color changing light bar moving pattern. ) Two groups of blue LED on above display a tailing effect move from right to left. ) Two groups of blue LED on above display a tailing effect move in opposite directions. ) Blue LED on above perform timer display. ) Two groups of blue LED on above flash together from two sides to middle and then turn off slowly from both sides to middle. ) The blue LEDs on above are put into four digits and to show a twist effect. *Note: ISFL/ISFLA solely controls the FxLED function on the evaluation board. Software support JP default setting is close circuit. If it is set to open, the on-board MCU will stop working. The IC pins are set to High Impedance. External IC signals can be connected to TP to control the ISFL LED driver. Please refer to the datasheet to get more information about ISFL/ISFLA. VRGB D0 D D D D D D D D D D0 D G R B G R B G R B G R B G R B G R B G R B G R B G R B G R B G R B G R B OUT OUT OUT OUT OUT OUT OUT0 OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT0 OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT0 OUT OUT OUT OUT OUT OUT OUT OUT OUT R 00K R 00K U S S G G D D D VRGB OUT OUT D OUT D D OUT OUT OUT D OUT D D OUT OUT OUT D OUT D D OUT OUT OUT D0 OUT OUT D D D OUT OUT OUT OUT D OUT0 D D OUT OUT OUT D0 OUT D D OUT OUT OUT D OUT0 D D OUT OUT OUT D G G APM D D D OUT D D0 OUT0 D D OUT D OUT D D D D OUT D D OUT D D OUT D CON DC IN TP TP K MODE C 0uF JP OPEN=EXT CTRL R 00K C uf 0 U P0./CINB/KBI P0./CMP/KBI P0./T/KBI P./T0/ P./RXD P./INT U VDD SD LDO P./INT0/ P.0XTAL/CLKOUT P./XTAL P. VOUT BP VDD C 0nF P0./CINB/KBI P0./CINA/KBI P0./CINA/KBI P0./CMPREF/KBI P.0/TXD P./RST P. P0.0/CMP/KBI0 VSS V 0 G G P0. P0. SDB RST V C uf TP SDB V P0. P0. RST TP ICP SDB U C uf R.K R.K R 00K R.K 0, AD SDB R_EXT OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT0 OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT0 OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT0 OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT0 OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT0 OUT OUT OUT OUT OUT OUT OUT OUT OUT OUT0 OUT OUT OUT OUT OUT OUT TP 0 TP 0 LPC ISFL/ISFLA Figure :ISFL/ISFLA Application Schematic Integrated Silicon Solution, Inc. Rev. A, //0
3 Channels LED Driver Evaluation Board Guide Bill of Materials Name Symbol Description Qty Supplier Part No. LED Driver U CH FxLED Driver ISSI ISFL/ISFLA LDO U Low-dropout Regulator PAM PAM0 MCU U Microcontroller NXP LPC PMOS U Dual PMOS ANPEC APM Diode D~D Diode, LED Blue, SMD Everlight -/BHC-ZLMRY/T Diode D0~D Diode, LED RGB, SMD Everlight -/RGBC/TR Resistor R RES,.k,/W,±%,SMD Yageo RC00JR-0KL Resistors R~R RES,.k,/W,±%,SMD Yageo RC00JR-0KL Resistors R~R RES,00k,/W,±%,SMD Yageo RC00JR-000KL Capacitor C CAP,0µF,V,±0%,SMD Yageo CC00KKXRBB0 Capacitors C,C,C CAP, µf,v,±0%,smd Yageo CC00KKXRBB0 Capacitor C CAP,0nF,V,±0%,SMD Yageo CC00KKXRBB0 Button K Button SMD Table : Bill of Materials, refer to Figure above. Integrated Silicon Solution, Inc. Rev. A, //0
4 Channels LED Driver Evaluation Board Guide Figure : Board Component Placement Guide -Top Layer Figure : Board PCB Layout- Top Layer Integrated Silicon Solution, Inc. Rev. A, //0
5 Channels LED Driver Evaluation Board Guide Figure : Board Component Placement Guide -Bottom Layer Figure : Board PCB Layout-Bottom Layer Integrated Silicon Solution, Inc. Rev. A, //0
6 Channels LED Driver Evaluation Board Guide REVISION HISTORY Revision Detail Information Data A Initial Release 0.. Copyright 0 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised to obtain the latest version of this device specification before relying on any published information and before placing orders for products. Integrated Silicon Solution, Inc. does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such applications unless Integrated Silicon Solution, Inc. receives written assurance to its satisfaction, that: a.) the risk of injury or damage has been minimized; b.) the user assume all such risks; and c.) potential liability of Integrated Silicon Solution, Inc is adequately protected under the circumstances Integrated Silicon Solution, Inc. Rev. A, //0
7 Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: ISSI: ISFLA-QFLS-EB
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